package com.netease.nie;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 获取spring bean
 * @author KingsHunter
 * @createDate June 30th,2016
 *
 */
@Component
public class SpringBootApplicationContextUtils implements
		ApplicationContextAware {

	private static ApplicationContext applicationContext = null;

	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		if (SpringBootApplicationContextUtils.applicationContext == null)
			SpringBootApplicationContextUtils.applicationContext = applicationContext;
	}

	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	public static Object getBean(String beanName) {
		return getApplicationContext().getBean(beanName);
	}

	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	public static <T> T getBean(String name, Class<T> clazz) {
		return getApplicationContext().getBean(name, clazz);
	}

}
